Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 45° 42° 36° 90° 45° 42° 36° 90° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these auto transformer capacitor voltage transformer distribution transformer All of these auto transformer capacitor voltage transformer distribution transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Pelton wheel. Kaplan wheel. propeller turbine. Francis turbine. Pelton wheel. Kaplan wheel. propeller turbine. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which material is used in controlling chain reaction in a nuclear reactor Boron. Thorium. Heavy water. Beryllium. Boron. Thorium. Heavy water. Beryllium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 45-55% 60-70% 20-25% 30-40% 45-55% 60-70% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase with the arc current. lagging the arc current by 90°. in phase opposition with the arc current. leading the arc current by 90°. in phase with the arc current. lagging the arc current by 90°. in phase opposition with the arc current. leading the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
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